EP 0888477 A1 19990107 - PAPER PULP SCREEN CYLINDER
Title (en)
PAPER PULP SCREEN CYLINDER
Title (de)
PAPIERFASERBREI SIEBZYLINDER
Title (fr)
CYLINDRE D'EPURATEUR DE PATE A PAPIER
Publication
Application
Priority
- US 9704343 W 19970303
- US 61555496 A 19960311
Abstract (en)
[origin: WO9734045A1] A plurality of like wedge bars (36) are formed with a groove (46) between two lands (48). The wedge bars (36) are assembled into a cylindrical screen (24), with the grooves (46) defining screening slots (30) of a uniform width. The wedge bars (36) may be electron beam welded or furnace brazed to support rings (44). Alternatively, the wedge bars (36) may be held in place by slots in support rings (44) and circumferential clamping applied by jack wedge assemblies (58). Multiple cylindrical segments (123) may be connected together into a single screen cylinder (24) by an ear (125) and slot (133) arrangement. The screen cylinder so formed may have slots (30) of 0.004 inches or less in width, and may be formed of a wide range of wear and corrosion resistant materials.
IPC 1-7
IPC 8 full level
B01D 33/06 (2006.01); B01D 29/23 (2006.01); D21D 5/02 (2006.01); D21D 5/06 (2006.01); D21D 5/16 (2006.01)
CPC (source: EP KR US)
B01D 29/23 (2013.01 - EP US); B01D 29/445 (2013.01 - EP US); B01D 29/86 (2013.01 - EP US); B01D 33/11 (2013.01 - KR); D21D 5/16 (2013.01 - EP KR US); B01D 2201/184 (2013.01 - EP US)
Citation (search report)
See references of WO 9734045A1
Designated contracting state (EPC)
DE ES FR GB IT PT
DOCDB simple family (publication)
WO 9734045 A1 19970918; BR 9708015 A 19990727; CA 2248639 A1 19970918; CN 1213418 A 19990407; EP 0888477 A1 19990107; ID 16226 A 19970911; JP H11506177 A 19990602; KR 19990087706 A 19991227; MX 9701817 A 19980430; PL 328823 A1 19990215; TW 338075 B 19980811; US 5791495 A 19980811; ZA 972037 B 19970917
DOCDB simple family (application)
US 9704343 W 19970303; BR 9708015 A 19970303; CA 2248639 A 19970303; CN 97192934 A 19970303; EP 97916823 A 19970303; ID 970781 A 19970311; JP 53291497 A 19970303; KR 19980707173 A 19980911; MX 9701817 A 19970310; PL 32882397 A 19970303; TW 86103185 A 19970314; US 61555496 A 19960311; ZA 972037 A 19970310